Comparison

Can an AI chatbot review your contract?

What a general AI chatbot does well on a contract, where it falls short, what to check before you paste one in, and a prompt you can reuse.

By DealMate Editorial Team·Last reviewed 10 November 2026·8 min read

We make DealMate. Here's how we compared these tools.

Yes, as a first read, whether you use ChatGPT, Gemini, Copilot or another general chatbot. It can help explain clauses and word your reply, but in a plain chat it works only from what you give it, and it can misquote the text. Before you paste, check the tool's data settings and your confidentiality duties; then give it your side and the deal, and check every clause it cites.

What can a general chatbot help with at each stage?

In our view, a general chatbot is more useful for wording and explanation than for keeping track. The ratings below are our judgment, not vendor claims.

StageCan a chatbot help?What to watch
First draftPartlyDon't assume it has your usual terms or the deal you agreed. Give it your own contract to start from
Reviewing their contractYes, as a first readIn a plain chat it has only what you give it. Supply the agreed deal and any linked policies, and check every quote
Finding what changed between versionsWeakIn our view, a chatbot's summary of changes can miss some. Run a document compare instead
Negotiating a clauseYes, for wordingIt can draft emails and alternative wording. The numbers and promises stay yours
Tracking roundsNot by itselfChat history isn't a reliable record of which version is current or what you agreed. Keep your own version and decision log
SigningNoIt can't sign, and it can't confirm the final text matches what you agreed. Check that yourself

For a compare, see checking the final version before you sign. For a decision log, see keeping track of versions and what you agreed. For other kinds of tools, see which contract tool fits each step of a deal.

How did we check?

We read the privacy pages and terms of two general chatbots, Google's Gemini and Microsoft's Copilot, on November 10, 2026. We quote them below as examples and didn't test the tools. If you use ChatGPT or another chatbot, look for the same points in its own settings and help pages. Each vendor words them differently, and the rules can change with your plan or account.

What does a general chatbot do well?

A general chatbot is good at the parts of a review that are about language. Used that way, it can save time:

  • Explaining a clause. Paste "indemnify, defend and hold harmless" and ask what it would mean for a two-person studio. You get a plain-English explanation to check against the text.
  • Turning a worry into a question. "Is this termination clause bad?" becomes a question you can put to the client: "If you end the project early, are we paid for work done to that date?"
  • Wording your reply. Once you've decided what to change, it can draft a polite email or a tighter version of the clause.
  • Being there already. You may already use it, and it answers at any hour. Run the checks below before a contract goes in.

Where does it fall short on a contract?

  • It works from what it's given. In a plain chat, that's what you paste or upload. Some tools also connect to other sources: Google says "Gemini Apps work with Connected Apps, including Google apps and third-party services." Either way, don't assume it has the price you agreed by email, which side you're on or the policy the contract links to. Supply them, or check which sources it actually used.
  • It can sound right and be wrong. Google says LLM experiences, Gemini included, "can hallucinate and present inaccurate information as factual." Microsoft warns that "You might see Responses that seem convincing but are incomplete, inaccurate, or inappropriate." On a contract, that can be a quote that isn't in the document, a wrong section number or a missed clause.
  • It isn't a substitute for a lawyer's advice on your contract. Microsoft's terms say: "Do not use Copilot as a substitute for professional advice. Always verify the accuracy of information presented by Copilot before you rely on it."
  • A chat isn't a deal record. Chat history isn't a reliable record of which version is current or what you agreed. Keep your own.

What should you check before you paste a contract in?

Answer five questions before any contract goes into a chatbot.

  1. Does it train on your chats, and can you turn that off? Look in the data or activity settings. Google says that with Gemini's Keep Activity setting off, future chats "won't be used to train our AI models, unless you choose to send Google feedback."
  2. Can people read your chats? Google says "A subset of chats are reviewed by human reviewers." Microsoft's Copilot terms say: "You shouldn't share any information with Copilot that you don't want us to review."
  3. How long are chats kept, even after you delete them? Gemini auto-deletes activity after 18 months by default. Chats with Keep Activity off are still saved for 72 hours. Chats a human reviewed "are retained for up to three years," even if you delete your activity.
  4. Which account and product are you using? The same tool can run on different terms. Google says that with a work or school account, Gemini use "may be subject to different data handling terms." For customers on a qualifying Google Workspace edition, Google says: "Your chats and uploaded files won't be reviewed by human reviewers or otherwise used to train generative AI models outside of your domain without your permission." A work email alone doesn't prove that; ask whoever runs your Workspace account. Microsoft's Copilot terms for individuals say "You can only use Copilot for your own personal use," and they don't apply to work, school or organizational (Entra) accounts. On any other Copilot offering, read its terms and confirm that your product and license allow business use.
  5. Does your NDA allow it? Read any NDA you've signed with them, and any confidentiality note on the draft. Common Paper's standard mutual NDA, for example, bars disclosure "to third parties without the Disclosing Party's prior written approval." The exception covers representatives "having a reasonable need to know for the Purpose," bound by terms at least as protective, and the receiving party "remains responsible for their compliance." Don't assume a chatbot provider counts as one of those representatives. Confidential information there includes anything they mark confidential or that should reasonably be understood as confidential, which could cover a draft with their pricing.

If you aren't sure the NDA allows it, ask the other side or leave that document out. See a standard mutual NDA, read from both sides.

Then strip what the review doesn't need. Replace company and people names with [Client] and [Us]. Delete signatures, addresses, emails and bank details. Keep amounts only where the question turns on them, such as a liability cap. Google's own advice for Gemini is plain: "Please don't enter confidential information that you wouldn't want a reviewer to see or Google to use to improve our services."

How do you get a useful review out of a chatbot?

A useful review comes from giving the chatbot your side and the deal, then checking everything it says. Four steps:

  1. Write down your side and the deal. Which side you're on, plus the price, payment terms, deliverables and dates you agreed.
  2. Paste the prompt below, then the cleaned contract text and any attachments it relies on.
  3. Check every point with the table further down. A quote you can't find means re-checking that point, not dropping the concern.
  4. Read the money clauses yourself: payment, ownership of the work, the liability cap and termination, even if it calls them fine.
Copy and send

“I'm [a freelance designer] and I'm the [service provider] in the contract below. The other side wrote it. What we agreed: [fee], [payment within 30 days of invoice], [deliverables and dates]. Review the contract from my side only. 1. List the clauses that could cost me money, add risk or limit my work, most serious first. 2. For each one, quote the exact words and give the section number. Don't paraphrase inside the quote. 3. In one sentence each, say what it means for me and one question I could ask the other side. 4. Separately, list anything that doesn't match what we agreed, and anything a contract like this usually covers that this one seems to leave out. Mark these as possible gaps. Don't summarize the parts that are fine. If something is unclear, say so instead of guessing. [Paste the contract text and attachments]”

Treat the answer as a list of leads to check, not findings:

It saysHow you check it
A quote from the contractSearch the file for those exact words. If they aren't there, read that part of the contract yourself: the concern may still be real
A section numberOpen that section and read it in full, including any definitions it relies on
"This is standard" or "this is unusual"Ask what it's comparing against, then compare with a published neutral standard, as in what's normal in a neutral contract
Something is missingSearch the whole contract and its attachments for the topic's usual words, such as "terminate," "liability" or "invoice," before you believe it
The rest is fineRead payment, ownership, the liability cap and termination yourself anyway

When do you need a lawyer instead?

A chatbot can help you prepare for a lawyer, but not replace one when a lot is at stake. Get a lawyer when:

  • You still can't tell what a clause means, or what it could cost you.
  • One claim under an indemnity or an uncapped clause could cost more than your business can absorb.
  • The contract would give them tools you reuse, or stop you from working for others.
  • The law or courts named are in a place you don't know.
  • The chatbot's answers on a clause that matters don't match your reading.

Send the lawyer the contract and the attachments it relies on, with your checked list of questions. Agree the scope and the fee before they start.

Where does DealMate fit, and when shouldn't you use it?

A general chatbot is built for questions of every kind. DealMate is built for the deal around the contract.

  • Fits: a contract from the other side that you want reviewed from your side, with what's risky; redlines that come back and need every change, and its risk, found between versions; a first draft from your own templates and clauses; several rounds you want kept together.
  • Doesn't fit: a quick question about what one clause means, where the chatbot you already use is fine; general legal questions outside a contract; signing, since DealMate has no e-signature; legal advice, since DealMate is software, not a law firm.

The five checks above apply to any tool you upload a contract to, including ours. Read its privacy terms before you upload.

DealMate is an AI contract assistant that takes a deal from first draft to final: describe the deal in a sentence and get a draft built from your templates and clauses; when they send their template, review it from your side and see what's risky; when their redlines come back, compare the versions and see every change and the risk it carries.

Sources

  1. Gemini Apps Privacy Hub — Google
  2. Generative AI in Google Workspace Privacy Hub — Google
  3. Microsoft Copilot Supplemental Terms of Use — Microsoft
  4. Mutual NDA Standard Terms, Version 1.0 — Common Paper

This is general information, not legal advice. For high-stakes or unusual terms, talk to a lawyer.

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